51532415132 has 48 divisors (see below), whose sum is σ = 102559371264. Its totient is φ = 22443720000.

The previous prime is 51532415113. The next prime is 51532415141. The reversal of 51532415132 is 23151423515.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49268 + ... + 324795.

It is an arithmetic number, because the mean of its divisors is an integer number (2136653568).

Almost surely, 2^51532415132 is an apocalyptic number.

It is an amenable number.

51532415132 is a deficient number, since it is larger than the sum of its proper divisors (51026956132).

51532415132 is a wasteful number, since it uses less digits than its factorization.

51532415132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374210 (or 374208 counting only the distinct ones).

The product of its digits is 18000, while the sum is 32.

Adding to 51532415132 its reverse (23151423515), we get a palindrome (74683838647).

It can be divided in two parts, 51532 and 415132, that added together give a palindrome (466664).

The spelling of 51532415132 in words is "fifty-one billion, five hundred thirty-two million, four hundred fifteen thousand, one hundred thirty-two".